from machine import Pin, ADC
from time import sleep
import dht

# Define the pins for the sensors
dht22_pin = Pin(15)  # DHT22 connected to GPIO 15
ldr_pin = ADC(Pin(34))  # LDR connected to GPIO 34 (Analog pin)
pir_pin = Pin(13, Pin.IN)  # PIR sensor connected to GPIO 13

# Initialize the DHT22 sensor
dht22 = dht.DHT22(dht22_pin)

print("ESP32 Sensor Project - Monitoring Environment!")

while True:
    try:
        # Read temperature and humidity from DHT22
        dht22.measure()
        temperature = dht22.temperature()
        humidity = dht22.humidity()

        # Read light intensity from LDR (Analog value)
        light_intensity = ldr_pin.read()  # Value ranges from 0 to 4095

        # Read motion status from PIR sensor
        motion_detected = pir_pin.value()

        # Print sensor values to Serial Monitor
        print("Temperature: {:.1f} °C".format(temperature))
        print("Humidity: {:.1f} %".format(humidity))
        print("Light Intensity (LDR):", light_intensity)

        if motion_detected:
            print("Motion Detected!")
        else:
            print("No Motion")

        print("-----------------------------")

    except OSError as e:
        print("Failed to read sensor data")

    # Wait for 2 seconds before reading again
    sleep(2)